第11题: [单项选择]99+1919+9999的个位数字是( )。 A. 1 B. 2 C. 3 D. 7 参考答案:D 答案解析:三项之和的个位数与三项个位数之和的个位数相同。9+9+9=27,可知三项之和的个位数为7,故答案为D。
第12题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. They were frightened. B. They comforted each other. C. They kept calm and quiet. D. They were uneasy. 参考答案:D 答案解析:[听力原文]
What were the passengers’ reactions